質問編集履歴
3
test
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test
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@@ -40,9 +40,9 @@
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offsets.each_with_object([]) do |n, result|
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result.push arr[offset..(n - 1)]
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result.push arr[offset..(offset + n - 1)]
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offset = n
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offset += n
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end
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test
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@@ -40,7 +40,7 @@
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offsets.each_with_object([]) do |n, result|
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result.push arr[offset..n]
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result.push arr[offset..(n - 1)]
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offset = n
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1
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test
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@@ -24,9 +24,33 @@
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-
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+
今思いついてるのは
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```ruby
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32
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+
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29
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-
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33
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arr = [1,2,3,4,5,6,7,8,9,10]
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34
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+
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35
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+
offsets = [2, 5, 3]
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36
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+
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offset = 0
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+
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+
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40
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offsets.each_with_object([]) do |n, result|
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42
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43
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result.push arr[offset..n]
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44
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offset = n
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46
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end
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48
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49
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+
```
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50
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51
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という感じです。offsetsは数値を直書きしてますが実際は、任意の要素数が不定、かつ分割数も不定の変数になります。(任意の要素数は元の配列の長さを超えないこととします)
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+
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53
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+
この場合、どのように記述すれば↑のコードより完結かつ高速に処理できるか教えていただきたいです。
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54
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